// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2018, Richtek Technology Corporation * * Richtek RT1711H Type-C Chip Driver */ #include <linux/bits.h> #include <linux/kernel.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/gpio/consumer.h> #include <linux/usb/tcpci.h> #include <linux/usb/tcpm.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #define RT1711H_VID … #define RT1711H_PID … #define RT1711H_DID … #define RT1715_DID … #define RT1711H_PHYCTRL1 … #define RT1711H_PHYCTRL2 … #define RT1711H_RTCTRL4 … /* rx threshold of rd/rp: 1b0 for level 0.4V/0.7V, 1b1 for 0.35V/0.75V */ #define RT1711H_BMCIO_RXDZSEL … #define RT1711H_RTCTRL8 … /* Autoidle timeout = (tout * 2 + 1) * 6.4ms */ #define RT1711H_RTCTRL8_SET(ck300, ship_off, auto_idle, tout) … #define RT1711H_AUTOIDLEEN … #define RT1711H_ENEXTMSG … #define RT1711H_RTCTRL11 … /* I2C timeout = (tout + 1) * 12.5ms */ #define RT1711H_RTCTRL11_SET(en, tout) … #define RT1711H_RTCTRL13 … #define RT1711H_RTCTRL14 … #define RT1711H_RTCTRL15 … #define RT1711H_RTCTRL16 … #define RT1711H_RTCTRL18 … /* 1b0 as fixed rx threshold of rd/rp 0.55V, 1b1 depends on RTCRTL4[0] */ #define BMCIO_RXDZEN … struct rt1711h_chip_info { … }; struct rt1711h_chip { … }; static int rt1711h_read16(struct rt1711h_chip *chip, unsigned int reg, u16 *val) { … } static int rt1711h_write16(struct rt1711h_chip *chip, unsigned int reg, u16 val) { … } static int rt1711h_read8(struct rt1711h_chip *chip, unsigned int reg, u8 *val) { … } static int rt1711h_write8(struct rt1711h_chip *chip, unsigned int reg, u8 val) { … } static const struct regmap_config rt1711h_regmap_config = …; static struct rt1711h_chip *tdata_to_rt1711h(struct tcpci_data *tdata) { … } static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata) { … } static int rt1711h_set_vbus(struct tcpci *tcpci, struct tcpci_data *tdata, bool src, bool snk) { … } static int rt1711h_set_vconn(struct tcpci *tcpci, struct tcpci_data *tdata, bool enable) { … } /* * Selects the CC PHY noise filter voltage level according to the remote current * CC voltage level. * * @status: The port's current cc status read from IC * Return 0 if writes succeed; failure code otherwise */ static inline int rt1711h_init_cc_params(struct rt1711h_chip *chip, u8 status) { … } static int rt1711h_start_drp_toggling(struct tcpci *tcpci, struct tcpci_data *tdata, enum typec_cc_status cc) { … } static irqreturn_t rt1711h_irq(int irq, void *dev_id) { … } static int rt1711h_sw_reset(struct rt1711h_chip *chip) { … } static int rt1711h_check_revision(struct i2c_client *i2c, struct rt1711h_chip *chip) { … } static int rt1711h_probe(struct i2c_client *client) { … } static void rt1711h_remove(struct i2c_client *client) { … } static const struct rt1711h_chip_info rt1711h = …; static const struct rt1711h_chip_info rt1715 = …; static const struct i2c_device_id rt1711h_id[] = …; MODULE_DEVICE_TABLE(i2c, rt1711h_id); static const struct of_device_id rt1711h_of_match[] = …; MODULE_DEVICE_TABLE(of, rt1711h_of_match); static struct i2c_driver rt1711h_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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